Enabling 16bit DOS on MAC?

bigmac909 · Post by **bigmac909** » Tue Mar 29, 2011 7:25 pm

I've been reading around, so I found this solution (on another topic here) for enabling DOS support on Macs with wine, something having to do with "patching the linker". Can anybody either explain this in simple terms, or point me towards a guide for doing this?

doh123 · Post by **doh123** » Tue Mar 29, 2011 7:32 pm

DOSBox is the best way to run DOS programs... on Macs or many other OSes.

bigmac909 · Post by **bigmac909** » Tue Mar 29, 2011 7:40 pm

Unfortunately, I don't think this program is compatible. It comes up with a Page Fault, and research has suggested that the program doesn't work with it. Now I'm realizing that I assumed it would work in Wine too. Could it be incompatible with DOSBox and work with a properly formatted Wine?

Charles Davis · Post by **Charles Davis** » Tue Mar 29, 2011 8:02 pm

On 3/29/11 6:25 PM, bigmac909 wrote:

I've been reading around, so I found this solution (on another topic here) for enabling DOS support on Macs with wine, something having to do with "patching the linker". Can anybody either explain this in simple terms, or point me towards a guide for doing this?

You only need it on Leopard (10.5). On Snow Leopard (10.6), they fixed
the bug. It only lets you run Win16 programs (and not DOS programs) anyway.

Are you on Leopard?

bigmac909 · Post by **bigmac909** » Tue Mar 29, 2011 8:07 pm

Yes, 10.5.8

Charles Davis · Post by **Charles Davis** » Tue Mar 29, 2011 8:37 pm

On 3/29/11 7:07 PM, bigmac909 wrote:

Yes, 10.5.8

Then take a look at bug 14920
(http://bugs.winehq.org/show_bug.cgi?id=14920) for details.

But still, you'll only be able to run Win16 programs (i.e. 16-bit
programs that need Windows) and not DOS programs. DOS programs need
virtual-8086 mode, which Mac OS X will never ever support on its own.

Chip

James McKenzie · Post by **James McKenzie** » Tue Mar 29, 2011 8:59 pm

On 3/29/11, doh123 <[email protected]> wrote:

DOSBox is the best way to run DOS programs... on Macs or many other OSes.

You know, the OP never told us what program was needed.

How about it? Some programs look like they need DOS, but really are
command line Windows16, and will need a specially built version of
Wine if you are using Leopard.

James McKenzie

Charles Davis · Post by **Charles Davis** » Tue Mar 29, 2011 9:11 pm

On 3/29/11 7:59 PM, James McKenzie wrote:

On 3/29/11, doh123 <[email protected]> wrote:
DOSBox is the best way to run DOS programs... on Macs or many other OSes.

You know, the OP never told us what program was needed.

How about it? Some programs look like they need DOS, but really are
command line Windows16,

There's no such thing. In 16-bit Windows, DOS *was* the command line.
That's why the Windows version of ipconfig (winipcfg) was a graphical
program, and not a command-line one. (Raymond Chen explained it in his
blog, "The Old New Thing".)

and will need a specially built version of
Wine if you are using Leopard.

Or, you could just apply the linker patch I made.

Chip

bigmac909 · Post by **bigmac909** » Wed Mar 30, 2011 5:19 pm

The game is Zelda Classic, if it matters. It's rated Gold on the AppDB.

And this linker patch is exactly the on I was talking about, I saw you post in an old topic. I just have no idea how to do it.

Charles Davis · Post by **Charles Davis** » Wed Mar 30, 2011 5:27 pm

On 3/30/11 4:19 PM, bigmac909 wrote:

The game is Zelda Classic, if it matters. It's rated Gold on the AppDB.

And this linker patch is exactly the on I was talking about, I saw you post in an old topic. I just have no idea how to do it.

I told you, go read bug 14920. It will tell you exactly how to apply the
linker patch.

Chip

bigmac909 · Post by **bigmac909** » Wed Mar 30, 2011 5:47 pm

That's my problem, I'm not sure what I'm supposed to be looking for on that page.

I'll assume I should follow the directions in the attached configure log. My problem there is that I don't know where Wine is. Yeah, I know, sad. I followed this tutorial to get it on my computer:

http://davidbaumgold.com/tutorials/wine-mac/

Thanks again for your patience.

Charles Davis · Post by **Charles Davis** » Wed Mar 30, 2011 5:50 pm

On 3/30/11 4:47 PM, bigmac909 wrote:

That's my problem, I'm not sure what I'm supposed to be looking for on that page.

My posts.

Chip

bigmac909 · Post by **bigmac909** » Wed Mar 30, 2011 7:03 pm

Nice thanks. Now I'm only confused at the final step:

5. Build and install Wine from source as usual.

So do I have to uninstall, and then reinstall wine? From scratch?
However, I used MacPorts to do that. Do I have to figure out how to manually assemble Wine now, after all of this?

Charles Davis · Post by **Charles Davis** » Wed Mar 30, 2011 7:08 pm

On 3/30/11 6:03 PM, bigmac909 wrote:

Nice thanks. Now I'm only confused at the final step:

5. Build and install Wine from source as usual.
So do I have to uninstall, and then reinstall wine? From scratch?
However, I used MacPorts to do that. Do I have to figure out how to manually assemble Wine now, after all of this?

No. Just do:

sudo port -n upgrade --force wine

or

sudo port -n upgrade --force wine-devel

if you installed the development version.

Chip

bigmac909 · Post by **bigmac909** » Wed Mar 30, 2011 7:35 pm

That's odd... everything worked just fine, but I'm STILL getting the "missing 16bit support/DOS" message upon trying to run the program!

Charles Davis · Post by **Charles Davis** » Wed Mar 30, 2011 7:41 pm

On 3/30/11 6:35 PM, bigmac909 wrote:

That's odd... everything worked just fine, but I'm STILL getting the "missing 16bit support/DOS" message upon trying to run the program!

Oh yeah, I forgot to mention. You have to edit the Portfile:

sudo port edit wine

or

sudo port edit wine-devel

if you installed the development version.

Where it says '--disable-win16', take that out. They put that in
precisely because of the linker bug.

Chip

doh123 · Post by **doh123** » Wed Mar 30, 2011 10:37 pm

if you cannot get it to compile... the Wine builds in the current Wineskin Engines have win16 built in, and should run fine on 10.5.

bigmac909 · Post by **bigmac909** » Sun Apr 03, 2011 12:31 pm

Alright, I think I've done it. So just to make sure, I just highlight and delete the "--disable-win16" right out of the terminal? And then just press enter? Sorry I'm being so cautious, I was told that SUDO was dangerous, even though I doubt it will do anything besides mess up wine for me.

Charles Davis · Post by **Charles Davis** » Sun Apr 03, 2011 12:35 pm

On 4/3/11 11:31 AM, bigmac909 wrote:

Alright, I think I've done it. So just to make sure, I just highlight and delete the "--disable-win16" right out of the terminal? And then just press enter?

That's right.

Sorry I'm being so cautious, I was told that SUDO was dangerous, even though I doubt it will do anything besides mess up wine for me.

It is, if you use it improperly. Remember, with great power comes great
responsibility.

Oh, and you should never ever run Wine under sudo. Editing and
installing ports should be done as root (i.e. under sudo, unless your
MacPorts prefix, usually /opt/local, isn't owned by root).

Chip

bigmac909 · Post by **bigmac909** » Sun Apr 03, 2011 12:55 pm

Ugh, I must be stupid or something. It still won't work. And now, when I go back to try and edit, I get all of these warning messages, to which I respond RECOVER (r). My edit is still there too, so is there something else I need to be doing? Do I need to do more within the platform?

platform darwin 9 {
# Fix "Xcode 3.x cannot build 16-bit code correctly. Use --disable-win16 if you don't need 16-bit support."
# Only affects Xcode 3.0.x and 3.1.x, not 3.2.x.
# See http://bugs.winehq.org/show_bug.cgi?id=14920
configure.args-append --disable-win16 [/b]

Where the bold is what I remover earlier.

Charles Davis · Post by **Charles Davis** » Sun Apr 03, 2011 1:11 pm

On 4/3/11 11:55 AM, bigmac909 wrote:

Ugh, I must be stupid or something. It still won't work. And now, when I go back to try and edit, I get all of these warning messages, to which I respond RECOVER (r). My edit is still there too, so is there something else I need to be doing? Do I need to do more within the platform?

platform darwin 9 {
# Fix "Xcode 3.x cannot build 16-bit code correctly. Use --disable-win16 if you don't need 16-bit support."
# Only affects Xcode 3.0.x and 3.1.x, not 3.2.x.
# See http://bugs.winehq.org/show_bug.cgi?id=14920
configure.args-append --disable-win16 [/b]

Where the bold is what I remover earlier.

Delete the entire 'configure.args-append' line. That should fix it.

Chip

bigmac909 · Post by **bigmac909** » Sun Apr 03, 2011 2:02 pm

Now I can't get it to "save" the edit, hence my program still won't work.

I keep trying to do the program after editing, and it doesn't work, and then I go back and see my edit not being applied.